Directed by
| Fernando Cerchio | ||
Writing Credits (in alphabetical order)
| Tulio Demicheli | ... | (Spanish version adaptation) |
| Nino Stresa | ... | (screenplay) |
| Nino Stresa | ... | (story) |
Cast (in credits order)
| Gordon Scott | ... | John Sutton | |
| Magda Konopka | ... | Sandra Dubois | |
 |
Aurora de Alba | ... | Zaira |
| Antonio Gradoli | ... | Von Klausen | |
|
|
Paco Morán | ... | Miguel (as Paco Moran) |
|
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Mirko Ellis | ... | Hardy |
|
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Pietro Marascalchi | ... | Hans |
| Umberto Raho | ... | Giorgio | |
|
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Dali Bresciani | ... | Cameriera |
| Santiago Rivero | ... | Colonel Zikowsky | |
| Brizio Montinaro | |||
|
|
Norma Dugo | ||
| Rest of cast listed alphabetically: | |||
|
|
Emilio Arnáiz | ||
|
|
Héctor Quiroga | ||
|
|
Pedro Rodríguez de Quevedo | ||
Produced by
| Solly V. Bianco | ... | producer |
Music by
| Piero Umiliani | ||
Cinematography by
| Emilio Foriscot | ||
Editing by
| José Luis Matesanz | ||
Set Decoration by
| Carlos Viudes | ||
Second Unit Director or Assistant Director
| Ricardo Bonilla | ... | assistant director |
Sound Department
| Pietro Ortolani | ... | sound |
Special Effects by
| Manuel Baquero | ... | special effects |
Stunts
| Bruno Ariè | ... | stunts (uncredited) |
Additional Crew
| Ferruccio Amendola | ... | voice dubbing: Umberto Raho (uncredited) |
| Cesare Barbetti | ... | voice dubbing: Mirko Ellis (uncredited) |
| Pino Locchi | ... | voice dubbing: Gordon Scott (uncredited) |
| Anna Miserocchi | ... | voice dubbing: Aurora de Alba (uncredited) |
| Glauco Onorato | ... | voice dubbing: Paco Morán (uncredited) |
| Rita Savagnone | ... | voice dubbing: Magda Konopka (uncredited) |
| Renato Turi | ... | voice dubbing: Antonio Gradoli (uncredited) |
| Frank Wolff | ... | voice dubbing: Gordon Scott (english version) (uncredited) |
